/// <reference types="node" />
import Decimal from 'decimal.js';
import { networks } from 'bitcoinjs-lib';
import { helper, IKeypair, IBTCUnspent, binStr, bigNumber, IBTCTransactionAddress } from '@onechain/core';
export declare const generateMnemonic: typeof helper.generateMnemonic, mnemonicToSeed: typeof helper.mnemonicToSeed, mnemonicToSeedSync: typeof helper.mnemonicToSeedSync, deriveFromMnemonic: typeof helper.deriveFromMnemonic, deriveFromMnemonicSync: typeof helper.deriveFromMnemonicSync;
/**
 * 移除 hex 字符串前缀
 *
 * @export
 * @param {string} str
 * @returns
 */
export declare function stripHexPrefix(str: string): string;
/**
 * 根据 chainID 获取当前网络
 *
 * @param {string} chainId
 */
export declare function getNetworkByChainId(chainId: string): networks.Network;
/**
 * sat 转 btc
 *
 * @export
 * @param {bigNumber} sat
 * @returns {Decimal}
 */
export declare function fromSat(sat: bigNumber): Decimal;
/**
 * btc 转 sat
 *
 * @export
 * @param {bigNumber} btcOriginal
 * @returns {Decimal}
 */
export declare function toSat(btcOriginal: bigNumber): Decimal;
/**
 * 生成密钥对
 *
 * @param {string} chainId
 */
export declare function generateKeypair(chainId: string): {
    address: string;
    publicKey: string;
    privateKey: string;
    wif: string;
};
export declare function deriveFromSeed(seed: Buffer | string, path: string): IKeypair;
/**
 * 是否是有效的 WIF
 *
 * 详见 http://learnmeabitcoin.com/glossary/wif
 *
 * @param {string} wif
 * @param {string} chainId
 */
export declare function isValidWIF(wif: string, chainId: string): boolean;
/**
 * 是否是有效的公钥
 *
 * 详见 https://github.com/bitcoinjs/bitcoinjs-lib/blob/c5da44ce9526fa3b5c5ca635c263bdfab2c68862/src/payments/p2pkh.js#L29
 *
 * @param {string} publicKeyStr
 */
export declare function isValidPublicKey(publicKeyStr: string): any;
/**
 * 是否是有效的私钥
 *
 * @param {string} privateKeyStr
 */
export declare function isValidPrivateKey(privateKeyStr: string): boolean;
/**
 * 私钥推地址
 *
 * 支持多种私钥和 WIF 格式
 *
 * @param {string} privateKey
 * @param {string} chainId
 */
export declare function privateKeyToAddress(privateKey: string, chainId: string): {
    address: string;
    publicKey: string;
    privateKey: string;
    wif: string;
};
/**
 * 是否是有效的地址
 *
 * 这种检测算法可以检测 p2sh, p2pkh 等地址，详见 http://learnmeabitcoin.com/glossary/address
 *
 * @param {string} addressStr
 */
export declare function isValidAddress(addressStr: string): boolean;
/**
 * 解析原始的交易数据
 *
 * TODO 转为通用数据结构，将自定义结构分装到其他库中
 *
 * @export
 * @param {string} hex
 * @returns
 */
export declare function parseRawTransaction(hex: string, unspents?: IBTCUnspent[]): {
    txid: string;
    iscoinbase: boolean;
    fee: string;
    block_height: number;
    blockhash: string;
    blocktime: string;
    confirmations: number;
    inputs: {
        from_address: string;
        from_txid: string;
        vin_index: number;
        value: string;
        sequence: number;
    }[];
    outputs: {
        to_address: string;
        vout_index: number;
        value: string;
        type: any;
        asm: string;
        hex: any;
    }[];
};
/**
 * 验证 memo 参数
 *
 * 当 memo 不为空时检查其 byte 长度
 *
 * @protected
 * @param {binStr[]} [memos=[]]
 * @returns
 * @memberof Transaction
 */
export declare function validateMemo(memos?: binStr[]): boolean;
/**
 * 验证转账地址相关参数
 *
 * @protected
 * @param {IBTCTransactionAddress[]} addresses
 * @param {string} [type='from']
 * @memberof Transaction
 */
export declare function validateAddressParams(addresses: IBTCTransactionAddress[], type?: string): boolean;
/**
 * 验证转账金额
 *
 * @protected
 * @param {IBTCTransactionAddress[]} addresses
 * @memberof Transaction
 */
export declare function validateAddressValues(addresses: IBTCTransactionAddress[]): boolean;
/**
 * 验证手续费费率
 *
 * @protected
 * @param {*} feeRate
 * @memberof Transaction
 */
export declare function validateFeeRate(feeRate: any): boolean;